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Efest 21700 4000mAh 30A Rechargeable Battery
Efest 21700 4000mAh 30A Rechargeable Battery

Retail Price: $12.99
Special Price: $9.99

Stock Status:(Out of Stock)
Availability:: Usually Ships in 24 Hours
Product Code: 217004000


Efest 21700 4000mAh 30A Rechargeable Battery

Efest's batteries are top notch and provide an incredible experience. This rechargeable 21700 battery is designed with a flat top; allowing it to be used with a variety of different mods. It has a 4000mAh battery capacity with a 3.7 Volt Nominal Voltage and maximum chargin current of 2.5 Volts. This allows for a long lasting battery. This Efest battery also has a 30A discharge current with a temperature range of 0 to 103 degrees.


  • Model: IMR
  • Size: 21700
  • Nominal Capacity:4000mah
  • Nominal Voltage: 3.7V
  • Maximum Charging Current: 2.5V
  • Discharge Current: 30A
  • Style: Flat Top
  • Standard Charge: 2A
  • Charging Temperature Range: 0-103F degrees

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